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Cheap flights from Ireland to the United States from £169

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
22 Apr — 29 Apr1
1 adult

Cheap flight deals from Ireland to USA

Keep the following information in mind while searching for Ireland to USA flight deals. Data was last updated 17 April 2025.

Round-trip from

£266

One-way from

£169

Popular in

July

Cheapest in

February

Average price

£407

Good round-trip deal

£358 or less

Good one-way deal

£379 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 21/5-29/5
  • 2 total stops
  • 42h 55m total
  • Ireland to USA
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WestJet
  • WestJet
  • 4/5
  • 1 total stop
  • 16h 25m total
  • Ireland to USA
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Ireland to USA.
Search Deals
Price to beat on a one-way flight from Ireland to USA.
Search Deals

Find flight deals from Ireland to USA

Cheapest flights from Ireland to USA
Explore the most affordable flight options available from Ireland to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.

Fri 5/1210:45DUB - EWR
2 stops31h 50mScandinavian Airlines
Thu 11/1217:40EWR - DUB
1 stop12h 05mScandinavian Airlines
Deal found 16/4£266
Fri 5/912:20DUB - JFK
1 stop32h 20mScandinavian Airlines
Fri 12/918:55JFK - DUB
1 stop33h 30mScandinavian Airlines
Deal found 15/4£280
Wed 21/512:15DUB - EWR
1 stop11h 55mIcelandair
Thu 29/520:25EWR - DUB
1 stop9h 40mIcelandair
Deal found 16/4£287
Tue 20/519:05DUB - SEA
1 stop26h 45mScandinavian Airlines
Sat 31/516:00SEA - DUB
1 stop35h 50mScandinavian Airlines
Deal found 16/4£303
Thu 15/514:15DUB - JFK
1 stop9h 55mIcelandair
Thu 22/520:25JFK - DUB
1 stop9h 40mIcelandair
Deal found 16/4£306
Wed 7/508:55DUB - JFK
1 stop11h 30mKLM
Wed 14/521:20JFK - DUB
Nonstop6h 55mKLM
Deal found 16/4£323
Thu 24/413:25DUB - EWR
Nonstop7h 35mAer Lingus
Fri 2/517:30EWR - DUB
Nonstop6h 25mAer Lingus
Deal found 16/4£327
Wed 3/912:15DUB - IAD
1 stop14h 55mIcelandair
Fri 12/923:15IAD - DUB
1 stop30h 50mIcelandair
Deal found 16/4£327
Thu 22/510:40DUB - EWR
1 stop13h 05mLufthansa
Thu 29/523:20EWR - DUB
Nonstop6h 50mLufthansa
Deal found 16/4£334
Thu 18/915:25DUB - JFK
1 stop10h 35mBritish Airways
Tue 23/918:30JFK - DUB
1 stop10h 20mBritish Airways
Deal found 16/4£336
Fri 5/912:00DUB - LGA
1 stop11h 39mKLM
Fri 12/917:00LGA - DUB
1 stop12h 45mKLM
Deal found 15/4£336
Thu 22/506:00DUB - EWR
1 stop14h 00mAir France
Thu 29/517:00EWR - DUB
1 stop10h 15mAir France
Deal found 16/4£337

Cheapflights Fare Finder

Customise your flight search to find flights from Ireland to USA that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 April 2025.
Use the filters below to find and compare flights from Ireland to the United States that are best for you.

Fly from

Ireland

Fly to

USA

Route

Depart

Return

Price

DublinNewark

DUB - EWR

DUBEWR

Dublin

Wed 21/5

12:40-14:55

1 stop31h 15m

Newark

Thu 29/5

18:50-11:30

1 stop11h 40m

£266

DublinNew York

DUB - JFK

DUBJFK

Dublin

Fri 5/9

12:20-15:40

1 stop32h 20m

New York John F Kennedy Intl

Fri 12/9

18:55-09:25

1 stop33h 30m

£280

DublinNewark

DUB - EWR

DUBEWR

Dublin

Wed 21/5

12:15-19:10

1 stop11h 55m

Newark

Thu 29/5

20:25-11:05

1 stop9h 40m

£287

DublinSeattle

DUB - SEA

DUBSEA

Dublin

Tue 20/5

19:05-13:50

1 stop26h 45m

Seattle/Tacoma Intl

Sat 31/5

16:00-11:50

1 stop35h 50m

£303

DublinNew York

DUB - JFK

DUBJFK

Dublin

Thu 15/5

14:15-19:10

1 stop9h 55m

New York John F Kennedy Intl

Thu 22/5

20:25-11:05

1 stop9h 40m

£306

DublinNew York

DUB - JFK

DUBJFK

Dublin

Wed 7/5

08:55-15:25

1 stop11h 30m

New York John F Kennedy Intl

Wed 14/5

21:20-09:15

Nonstop6h 55m

£323

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 3/9

12:15-22:10

1 stop14h 55m

Washington, D.C. Dulles Intl

Fri 12/9

23:15-11:05

1 stop30h 50m

£327

DublinNewark

DUB - EWR

DUBEWR

Dublin

Thu 22/5

10:40-18:45

1 stop13h 05m

Newark

Thu 29/5

23:20-11:10

Nonstop6h 50m

£334

DublinNew York

DUB - JFK

DUBJFK

Dublin

Thu 18/9

15:25-21:00

1 stop10h 35m

New York John F Kennedy Intl

Tue 23/9

18:30-09:50

1 stop10h 20m

£336

DublinNew York

DUB - LGA

DUBLGA

Dublin

Fri 5/9

12:00-18:39

1 stop11h 39m

New York LaGuardia

Fri 12/9

17:00-10:45

1 stop12h 45m

£336

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 60 results
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Best time to book a flight from Ireland to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to the United States

What is the cheapest month to book a flight from Ireland to USA?

Currently, January is the cheapest month in which you can book a flight from Ireland to USA (average of £575). Flying from Ireland to USA in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IE to US?

Find hourly flight availability from Ireland to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to USA as you normally would.

Rainfall in USA by month

Plan your trip to USA by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in USA ranges from 71.0 - 114.0 inches per month. July is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit USA when rainfall is around 71.0 mm.

Temperature in USA by month

Plan your trip to USA by taking into account the average temperature totals by month.

If weather is an important factor for your trip to USA, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to USA. Reviews last updated 17 April 2025.
Get a feel of what it's like to fly with Singapore Airlines, Delta and KLM from Ireland to USA by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very Good
1,288 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Delta
8.0
Very Good
7,916 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
KLM
7.8
Good
1,326 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Air Transat
7.8
Good
385 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Finnair
7.6
Good
1,269 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Crew

8.6

Comfort

7.9

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Related info for your journey

Find useful and relevant information for your journey from Ireland to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Ireland to USA flight route?

    Within the past month, 398 users have taken a look at flights from Ireland to United States.

  • What are the cheapest airlines to fly from Ireland to USA one-way?

    The cheapet airlines for a one-way flight from Ireland to USA are WestJet (£169), TAP AIR PORTUGAL (£321), and Aer Lingus (£322).

  • Can I find deals for flights from Ireland to USA that include hotel bookings?

    Yes. In addition to deals on Ireland to USA flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to USA?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to USA.

  • Can I find deals for business class flights from Ireland to USA?

    Yes. Cheapflights offers flight deals from Ireland to USA by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to USA?

    Currently, January is the cheapest month in which you can book a flight from Ireland to USA (average of £575). Flying from Ireland to USA in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to USA

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Ireland to USA

Discover the top 10 airlines that operate flights from Ireland to USA. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£199Average£350FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
PLAYCheapest£211Average£294FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£258Average£426FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£271Average£485FlexibilityNo cancel feeOn-time70%
Search British Airways flights
JetBlueCheapest£277Average£520FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
KLMCheapest£285Average£484FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£293Average£517FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air FranceCheapest£299Average£528FlexibilityNo cancel feeOn-time77%
Search Air France flights
TAP AIR PORTUGALCheapest£306Average£477FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapest£314Average£496FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ireland to USA?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ireland to USA. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ireland to USA?

Cheapflights helps you find that perfect flight to USA from Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ireland to USA with no change fees?

Yes, we can. To see specific flights from Ireland to USA with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ireland to USA become cheaper?

Yes, Cheapflights offers price alerts on Ireland to USA flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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